How to Convert Month Name to Month Number in Java

Learn how to convert a month name stored in a string to its corresponding month number in Java. Simplify date processing tasks with easy-to-follow code snippets and explanations.
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How to Convert Month Name to Month Number in Java

Working with dates is a common task in software development, and sometimes you might need to convert a month name stored in a string to its corresponding month number. In Java, this can be achieved in several ways. Let's delve into some methods for this conversion.

Example Code

[[See Video to Reveal this Text or Code Snippet]]

Explanation

Convert to Upper Case: The valueOf method of the Month enum is case-sensitive, so we convert the month name to upper case.

Get Month Number: The getValue method of the Month enum returns the numeric representation of the month.

Method 2: Using a Map for Custom Mappings

Example Code

[[See Video to Reveal this Text or Code Snippet]]

Explanation

Create a Map: We use a HashMap to store the mapping between month names and their corresponding numbers.

Initialize the Map: The static block is used to initialize the map with month names and numbers.

Get Month Number: The getMonthNumber method retrieves the month number from the map, using getOrDefault to return -1 if the month name is invalid.

Conclusion

Ensure to choose the method that best fits your project's requirements. Happy coding!